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Re: [PATCH 2/2] hw/sd/allwinner-sdhost: Don't send non-boolean IRQ line
From: |
Guenter Roeck |
Subject: |
Re: [PATCH 2/2] hw/sd/allwinner-sdhost: Don't send non-boolean IRQ line levels |
Date: |
Tue, 6 Jun 2023 07:14:55 -0700 |
On Tue, Jun 06, 2023 at 11:46:09AM +0100, Peter Maydell wrote:
> QEMU allows qemu_irq lines to transfer arbitrary integers. However
> the convention is that for a simple IRQ line the values transferred
> are always 0 and 1. The A10 SD controller device instead assumes a
> 0-vs-non-0 convention, which happens to work with the interrupt
> controller it is wired up to.
>
> Coerce the value to boolean to follow our usual convention.
>
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
> ---
> hw/sd/allwinner-sdhost.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/sd/allwinner-sdhost.c b/hw/sd/allwinner-sdhost.c
> index 92a0f42708d..62df8f3d396 100644
> --- a/hw/sd/allwinner-sdhost.c
> +++ b/hw/sd/allwinner-sdhost.c
> @@ -191,7 +191,7 @@ static void allwinner_sdhost_update_irq(AwSdHostState *s)
> }
>
> trace_allwinner_sdhost_update_irq(irq);
> - qemu_set_irq(s->irq, irq);
> + qemu_set_irq(s->irq, !!irq);
> }
>
> static void allwinner_sdhost_update_transfer_cnt(AwSdHostState *s,
> --
> 2.34.1
>